Complete 100% of the game to have a crown appear at the "Press Start" menu.

Bonus song

Play all mini-games and FPS games to unlock a new song in the Tropics trip.

Christmas Music

If you play the game in December or January You can notice that an Christmas music will play in the mode-select menu.

Every costume

Get the high score in every game on Normal. - Sent by [Jake]

How To unlock Combat Uniform

Beat the high score in big city fights. - Sent by [JohnRusso]

Jukebox songs

Play a song game to unlock its song in the jukebox.

Mini-games

Mini-games are unlocked by playing trips. To unlock all the mini-games, play each trip two times. Note: A Nunchuck controller is required for some trips to unlock their mini-games. You also need to unlock the last trip and play it twice. To unlock the last trip, play all other trips once.

Rabbid Costumes

Different outfits can be unlocked mostly by High Scores or shooting the Right Rabbid (shooting minigames only). To unlock different costumes for a custom Rabbid, complete the following:

Effect

Code

Altair (Assassin's Creed)

Get a high score using Wiimote only mode in USA.

Beret Bunny

Beat Trip's high score in Europe.

Crash Test Dummy Costume

Get 12,000 Points in Shopping Cart, Downhill.

Cupid

Get over 12,000 points in Burgerinai.

French Maid Costume

Get 12,000 Points in Little Chemist.

Fruit-Hat Dancer Costume

Shoot the Right Rabbid in Year of the Rabbids.

Geisha Bunny

Beat Trip's high score in Asia.

HAZE Armor

Shoot the Right Rabbid in Big City Fights.

Hula Bunny

Beat Trip's high score in Tropics.

Ina Bunny

Beat Trip's high score in South America.

Indiana Jones Costume

Get 12,000 Points in Rolling Stone.

Jason

Get over 12,000 points in Dial R for Rabbid.

Martian Costume

Get over 12,000 points in Bumper Cars.

Police Bunny

Beat Trip's high score in USA.

Purple Space Rabbid Uniform

Start out with it automatically.

Raphael (TMNT)

Win the Greatest Hits trophy.

Red Space Rabbid Uniform

Get 12,000 Points in Year of the Rabbids.

Sam Fisher

Get over 12,000 points in Rabbid School.

Samurai

Get over 12,000 points in The Office.

Skeleton

Get over 12,000 points in TNT.

TMNT, Leonardo Costume

Get 12,000 Points in Usual Rabbids.

Transformer

Get 12,000 or more points in the plumbing minigame

Cossack (Russian) Rabbid

12,000+ points in Concentrate!

Doctor Costume

12,000+ points in the "Anesthetics" Game

Fireman (Right Rabbid)

Shoot in "Paris, Pour Troujours" (Shooting Game)

Gingerbread Rabbid

12,000+ points in Hot Cake

Jet-Trooper Rabbid

12,000+ points in the "Greatest Hits" (Shooting Game)

Ken Costume

Get 12,000 Points in RRR Xxtreme Beach Volleyball

Martian Costume

Gain more than 12.000 points on Bumper Cars

Masked Wrestler (Right Rabbid)

Shoot in "Greatest Hits" (Shooting Game)

Party Girl (Right Rabbid)

Shoot in "Paris, Mon Amour" (Shooting Game)

Raider's Rabbid

Score 12,000 Points In American Football

Spider-Rabbid (Free Costume)

Play the "Spider Rabbid" Game

Vegas Showgirl

12,000+ points in Burp

Voodoo Rabbid

12,000+ points in the "Voodoo Rabbids" Game

Yellow Space Costume

Get over 12,000 points in Snail Race.

Shooting games

Play all trips to unlock all shooting games. Each trip will unlock a shooting game.